<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>背景</title>
    <style>
        .box1{
            width: 500px;
            height: 500px;
            background-color: #bfa;
            background-image: url("./img/1.png");
            /* background-repeat: no-repeat;
             */
             /* background-repeat: repeat-x; */
             background-repeat: no-repeat;
             background-position: center left;
             background-position: -20px 100px;
            
        }
    </style>
</head>
<body>
    <div class="box1"></div>
</body>
</html>